Інструкція з експлуатації ABB — EN / ACH580-31 hardware manual

Текст документа

—
ABB DRIVES FOR HVAC

ACH580-31 drives
Hardware manual
ACH580-31 drives
Hardware manual

        Table of contents

        1. Safety instructions

        4. Mechanical installation

        6. Electrical installation – IEC

        10. Start-up

                               3AXD50000037066 Rev G
                                                      EN
                                   Original instructions
                                 EFFECTIVE: 2023-10-03
                                                                                                   Table of contents 5

Table of contents

1 Safety instructions
  Contents of this chapter .........................................................................................            17
  Use of warnings and notes .....................................................................................               17
  General safety in installation, start-up and maintenance ................................                                     18
  Electrical safety in installation, start-up and maintenance .............................                                     20
      Electrical safety precautions ..........................................................................                  20
      Additional instructions and notes .................................................................                       21
              Printed circuit boards ..........................................................................                 21
      Grounding ...........................................................................................................     22
  General safety in operation ....................................................................................              23
  Additional instructions for permanent magnet motor drives ........................                                            23
      Safety in installation, start-up, maintenance ..............................................                              23
      Safety in operation ...........................................................................................           24

2 Introduction to the manual
  Contents of this chapter .........................................................................................            25
  Target audience ........................................................................................................      25
  Purpose of the manual ............................................................................................            25
  Categorization by frame size and option code ..................................................                               25
  Quick installation, commissioning and operation flowchart ..........................                                          26
  Terms and abbreviations ........................................................................................              27
  Related documents ..................................................................................................          29

3 Operation principle
  Contents of this chapter ......................................................................................... 31
  Operation principle .................................................................................................. 31
     Active braking function (option +N8056 ) ................................................... 32
     DC voltage boost function .............................................................................. 32
              Benefits of the DC voltage boost ...................................................... 33
              Impact of DC voltage boost on input current ................................. 33
     DC connection ................................................................................................... 33
  Layout ......................................................................................................................... 34
  Overview of power and control connections ...................................................... 36
  Control panel ............................................................................................................. 37
     Control panel door mounting kits ................................................................. 38
     Control panel mounting platform cover (option +J424) ........................... 38
     Remote control panel, panel bus ................................................................... 38
  Type designation label ............................................................................................ 40
6 Table of contents

  Type designation key ............................................................................................... 41
     Basic code ........................................................................................................... 41
     Option codes ...................................................................................................... 41

4 Mechanical installation
  Contents of this chapter ......................................................................................... 45
  Cabinet installation (option +P940) ..................................................................... 45
  Flange mounting (option +C135) .......................................................................... 45
  Safety .......................................................................................................................... 46
  Examining the installation site .............................................................................. 47
  Installation positions ............................................................................................... 47
  Free space requirements ........................................................................................ 48
  Necessary tools ......................................................................................................... 49
  Moving the drive ....................................................................................................... 50
  Unpacking and examining delivery ....................................................................... 50
  Installing the drive vertically .................................................................................. 57
  Installing the drive vertically side by side ............................................................ 59
  Installing the drive horizontally ............................................................................. 59

5 Guidelines for planning the electrical installation
  Contents of this chapter ......................................................................................... 61
  Limitation of liability ............................................................................................... 61
      North America .................................................................................................... 61
  Selecting the main supply disconnecting device ............................................... 61
  Implementing a fast switch over between the power line and generator ..... 62
  Selecting the main contactor ................................................................................. 62
  Examining the compatibility of the motor and drive ........................................ 63
      Protecting the motor insulation and bearings ........................................... 63
      Requirements tables ........................................................................................ 63
             Requirements for ABB motors, Pn < 100 kW (134 hp) .................... 64
             Requirements for ABB motors, Pn > 100 kW (134 hp) .................... 65
             Requirements for non-ABB motors, Pn < 100 kW (134 hp) ............ 66
             Requirements for non-ABB motors, Pn > 100 kW (134 hp) ............ 67
             Abbreviations ........................................................................................ 68
             Availability of du/dt filter and common mode filter by drive
             type .......................................................................................................... 68
             Additional requirements for explosion-safe (EX) motors ............ 68
             Additional requirements for ABB motors of types other than M2_,
             M3_, M4_, HX_ and AM_ ....................................................................... 68
             Additional requirements for braking applications ........................ 68
             Additional requirements for the regenerative and low harmonics
             drives ....................................................................................................... 68
             Additional requirements for ABB high-output and IP23 motors .. 69
                                                                                              Table of contents 7

            Additional requirements for non-ABB high-output and IP23
            motors ..................................................................................................... 69
            Additional data for calculating the rise time and the peak
            line-to-line voltage ................................................................................ 70
            Additional note for sine filters ........................................................... 72
Selecting the power cables .................................................................................... 72
    General guidelines ............................................................................................ 72
    Typical power cable sizes ................................................................................ 72
    Power cable types ............................................................................................. 73
            Preferred power cable types .............................................................. 73
            Alternate power cable types ............................................................... 74
            Not allowed power cable types .......................................................... 75
    Additional guidelines – North America ......................................................... 75
            Metal conduit ......................................................................................... 76
    Power cable shield ............................................................................................ 76
Grounding requirements ........................................................................................ 77
    Additional grounding requirements – IEC .................................................... 78
    Additional grounding requirements – UL (NEC) ......................................... 79
Selecting the control cables ................................................................................... 79
    Shielding ............................................................................................................. 79
    Signals in separate cables ............................................................................... 79
    Signals that can be run in the same cable .................................................... 79
    Relay cable .......................................................................................................... 80
    Control panel to drive cable ............................................................................ 80
    PC tool cable ...................................................................................................... 80
Routing the cables ................................................................................................... 80
    General guidelines – IEC ................................................................................... 80
    General guidelines – North America .............................................................. 81
    Continuous motor cable shield/conduit and metal enclosure for
    equipment on the motor cable ....................................................................... 82
    Separate control cable ducts .......................................................................... 83
Protecting the drive, input power cable, motor and motor cable in short
circuit situations and against thermal overload ................................................ 83
    Protecting the drive and the input power cable in short-circuits ........... 83
    Circuit breakers ................................................................................................. 84
    Protecting the motor and motor cable in short-circuits .......................... 84
    Protecting the motor cables against thermal overload ............................ 84
    Protecting the motor against thermal overload ........................................ 85
    Protecting the motor against overload without thermal model or
    temperature sensors ........................................................................................ 85
Implementing a motor temperature sensor connection ................................. 85
    Connecting a motor temperature sensor to the drive through an option
    module ................................................................................................................. 86
Protecting the drive against ground faults ......................................................... 87
    Residual current device compatibility .......................................................... 87
8 Table of contents

  Implementing the emergency stop function ...................................................... 87
  Implementing the Safe torque off function ........................................................ 88
  Implementing the power loss ride-through function ....................................... 88
  Using power factor compensation capacitors with the drive ........................ 88
  Using a safety switch between the drive and the motor ................................. 89
  Implementing an ATEX-certified motor thermal protection ........................... 89
  Controlling a contactor between drive and motor ............................................ 89
  Implementing a bypass connection ..................................................................... 90
  Example bypass connection ................................................................................... 91
      Switching the motor power supply from drive to direct-on-line ............ 92
      Switching the motor power supply from direct-on-line to drive ............ 92
  Protecting the contacts of relay outputs ............................................................ 92
  Limiting relay output maximum voltages at high installation altitudes ...... 93

6 Electrical installation – IEC
  Contents of this chapter ......................................................................................... 95
  Safety .......................................................................................................................... 95
  Required tools ........................................................................................................... 95
  Grounding the motor cable shield at the motor end ........................................ 95
  Measuring the insulation ........................................................................................ 96
      Measuring the insulation resistance of the drive ....................................... 96
      Measuring the insulation resistance of the input power cable ............... 96
      Measuring the insulation resistance of the motor and motor cable ...... 96
      Measuring the insulation resistance of the brake resistor circuit .......... 97
  Grounding system compatibility check ............................................................... 97
      EMC filter ............................................................................................................ 97
      Ground-to-phase varistor ................................................................................ 98
      When to disconnect EMC filter or ground-to-phase varistor: TN-S, IT,
      corner-grounded delta and midpoint-grounded delta systems and TT
      systems ............................................................................................................... 98
      Identifying the grounding system of the electrical power network ....... 101
      Disconnecting integrated EMC filter and ground-to-phase varistor –
      frame R3 .............................................................................................................. 102
      Disconnecting integrated EMC filter and ground-to-phase varistor –
      frame R6 .............................................................................................................. 103
      Disconnecting integrated EMC filter and ground-to-phase varistor –
      frame R8 .............................................................................................................. 104
  Connecting the power cables ................................................................................ 105
      Connection diagram ......................................................................................... 105
      Connection procedure ..................................................................................... 106
               R8 power cable connection if you detach the cable connectors .. 114
  Connecting the control cables ............................................................................... 115
      Connection diagram ......................................................................................... 115
      Connection procedure ..................................................................................... 115
                                                                                                     Table of contents 9

  Installing option modules ....................................................................................... 120
      Option slot 2 (I/O extension modules) ......................................................... 120
      Option slot 1 (fieldbus adapter modules) .................................................... 121
      Wiring the optional modules .......................................................................... 121
  Reinstalling cover(s) ................................................................................................ 122
  Connecting a PC ....................................................................................................... 123
  Connecting a remote panel, or chaining one panel to several drives ............ 123

7 Electrical installation – North America (NEC)
  Contents of this chapter ......................................................................................... 125
  Safety .......................................................................................................................... 125
  Required tools ........................................................................................................... 125
  Measuring the installation ...................................................................................... 126
  Grounding system compatibility check ............................................................... 126
  Connecting the power cables ................................................................................ 126
      Connection diagram ......................................................................................... 126
      Connection procedure ..................................................................................... 127
  Connecting the control cables ............................................................................... 134
      Connection diagram ......................................................................................... 134
      Connection procedure ..................................................................................... 134
  Installing optional modules .................................................................................... 138
  Reinstalling cover(s) ................................................................................................ 139
  Connecting a PC ....................................................................................................... 140
  Connecting a remote panel, or chaining one panel to several drives ............ 140

8 Control unit
  Contents of this chapter ......................................................................................... 141
  Layout ......................................................................................................................... 142
  Default I/O connection diagram ........................................................................... 143
  Additional information on the control connections .......................................... 145
     Embedded EIA-485 fieldbus connection ...................................................... 145
     Connecting motor temperature sensors to the drive ............................... 146
     PNP configuration for digital inputs (X2 & X3) ............................................ 147
     NPN configuration for digital inputs (X2 & X3) ........................................... 147
     Connection for obtaining 0…10 V from analog output 2 (AO2) .............. 148
     Connection examples of two-wire and three-wire sensors to analog
     input (AI2) ........................................................................................................... 148
     DI5 as frequency input ..................................................................................... 148
     Safe torque off (X4) .......................................................................................... 149
  Technical data ........................................................................................................... 150

9 Installation checklist
  Contents of this chapter ......................................................................................... 155
10 Table of contents

  Checklist ..................................................................................................................... 155

10 Start-up
  Contents of this chapter ......................................................................................... 159
  Reforming the capacitors ....................................................................................... 159
  Start-up procedure .................................................................................................. 159

11 Maintenance
  Contents of this chapter ......................................................................................... 161
  Maintenance intervals ............................................................................................. 161
      Description of symbols .................................................................................... 161
      Recommended maintenance intervals after start-up ............................... 161
  Cleaning the exterior of the drive ......................................................................... 163
  Cleaning the heatsink .............................................................................................. 164
  Fans ............................................................................................................................. 164
      Replacing the main cooling fan, frame R3 .................................................... 165
      Replacing the main cooling fan, frame R6 ................................................... 166
      Replacing the main cooling fan, frame R8 ................................................... 167
      Replacing the auxiliary cooling fan of frame R3, IP55 (UL Type 12) and
      +C135 IP21 (UL Type 1) ...................................................................................... 168
      Replacing the auxiliary cooling fan, frame R6 ............................................. 169
      Replacing the second auxiliary cooling fan, IP55 (UL Type 12) frame
      R6 .......................................................................................................................... 170
      Replacing the auxiliary cooling fan, frame R8 ............................................. 171
      Replacing the second internal auxiliary cooling fan, IP55 (UL Type 12)
      frame R8 .............................................................................................................. 172
      Replacing the auxiliary cooling fan in the IP55 (UL Type 12) cover, frame
      R8 .......................................................................................................................... 173
  Capacitors .................................................................................................................. 175
      Reforming the capacitors ................................................................................ 175
  Control panel ............................................................................................................. 175
  Drive LEDs .................................................................................................................. 175
  Functional safety components .............................................................................. 176

12 Technical data
  Contents of this chapter ......................................................................................... 177
  Electrical ratings ....................................................................................................... 177
      IEC ratings .......................................................................................................... 177
      UL (NEC) ratings ................................................................................................ 179
      Definitions .......................................................................................................... 180
      Sizing ................................................................................................................... 180
      Deratings ............................................................................................................ 181
              Cumulative deratings ........................................................................... 181
                                                                                                 Table of contents 11

             Surrounding air temperature derating ............................................. 181
             Altitude derating ................................................................................... 183
             Switching frequency derating ............................................................ 184
             Output voltage boost derating .......................................................... 187
Fuses (IEC) ................................................................................................................. 188
    aR fuses DIN 43653 stud-mount .................................................................... 188
    aR fuses DIN 43620 blade style ...................................................................... 189
    gG fuses DIN 43620 blade style ...................................................................... 190
    Calculating the short-circuit current of the installation ........................... 190
             Calculation example ............................................................................. 190
Fuses (UL) .................................................................................................................. 192
Circuit breakers (IEC) ............................................................................................... 195
    ABB miniature and molded case circuit breakers ....................................... 195
Circuit breakers (UL) ................................................................................................ 196
Dimensions, weights and free space requirements .......................................... 199
    Free space requirements ................................................................................. 199
    Package dimensions and weights ................................................................. 200
Losses, cooling data and noise ............................................................................. 201
    Cooling air flow and heat dissipation for flange mounting (option
    +C135) .................................................................................................................. 204
Terminal and entry data for the power cables ................................................... 207
    IEC ........................................................................................................................ 207
    U L ......................................................................................................................... 207
Terminal and entry data for the control cables .................................................. 208
    IEC ........................................................................................................................ 208
    U L ......................................................................................................................... 208
Typical power cables ............................................................................................... 209
Electrical power network specification ............................................................... 212
Motor connection data ............................................................................................ 214
CCU-24 control unit connection data ................................................................... 215
Efficiency .................................................................................................................... 215
Energy efficiency data (ecodesign) ...................................................................... 216
Protection classes .................................................................................................... 216
Colors .......................................................................................................................... 216
Materials ..................................................................................................................... 217
    Drive ..................................................................................................................... 217
    Package materials for small wall-mounted drives and converter
    modules ............................................................................................................... 217
    Package materials for large wall-mounted drives and converter
    modules ............................................................................................................... 217
    Package materials for options, accessories and spare parts .................. 217
    Materials of manuals ........................................................................................ 217
Disposal ...................................................................................................................... 218
Applicable standards ............................................................................................... 218
Ambient conditions ................................................................................................. 219
12 Table of contents

  Storage conditions ................................................................................................... 221
  Markings ..................................................................................................................... 221
  Compliance with the EN 61800-3:204 + A1:2012 ................................................ 222
      Definitions .......................................................................................................... 222
      Category C2 ........................................................................................................ 223
      Category C3 ........................................................................................................ 223
      Category C4 ........................................................................................................ 224
  UL checklist ................................................................................................................ 225
  Declarations of conformity .................................................................................... 226
  Design lifetime expectancy .................................................................................... 226
  Disclaimers ................................................................................................................ 226
      Generic disclaimer ............................................................................................ 226
      Cyber security disclaimer ................................................................................ 226

13 Dimension drawings
  R3, IP21 (UL Type 1) ................................................................................................... 230
  R3 – Option +B056 (IP55, UL Type 12) ................................................................... 231
  R6, IP21 (UL Type 1) .................................................................................................. 232
  R6 – Option +B056 (IP55, UL Type 12) .................................................................. 233
  R8, IP21 (UL Type 1) .................................................................................................. 234
  R8 – Option +B056 (IP55, UL Type 12) .................................................................. 235

14 The Safe torque off function
  Contents of this chapter ......................................................................................... 237
  Description ................................................................................................................ 237
      Compliance with the European Machinery Directive and the UK Supply
      of Machinery (Safety) Regulations ................................................................ 238
  Wiring .......................................................................................................................... 239
      Connection principle ........................................................................................ 239
               Single ACH580-31 drive, internal power supply .............................. 239
               Single ACH580-31 drive, external power supply ............................. 240
      Wiring examples ................................................................................................ 240
               Single ACH580-31 drive, internal power supply .............................. 240
               Single ACH580-31 drive, external power supply ............................. 241
               Multiple ACH580-31 drives, internal power supply ........................ 242
               Multiple ACH580-31 drives, external power supply ........................ 243
      Activation switch ............................................................................................... 244
      Cable types and lengths .................................................................................. 244
      Grounding of protective shields .................................................................... 244
  Operation principle .................................................................................................. 245
  Start-up including validation test ......................................................................... 246
      Competence ....................................................................................................... 246
      Validation test reports ..................................................................................... 246
      Validation test procedure ............................................................................... 246
                                                                                                     Table of contents 13

  Use ............................................................................................................................... 248
  Maintenance .............................................................................................................. 250
      Competence ....................................................................................................... 250
  Fault tracing .............................................................................................................. 251
  Safety data ................................................................................................................. 252
      Terms and abbreviations ................................................................................. 254
      TÜV certificate ................................................................................................... 255
      Declarations of conformity ............................................................................. 256

15 Resistor braking
  Contents of this chapter ......................................................................................... 259
  Operation principle .................................................................................................. 259
  Planning the braking system ................................................................................. 259
      Selecting the drive, brake chopper and brake resistor ............................. 259
      Selecting a custom brake resistor ................................................................. 260
      Selecting and routing the brake resistor cables ......................................... 261
              Minimizing electromagnetic interference ....................................... 261
              Maximum cable length ......................................................................... 262
      Selecting the installation location for the brake resistors ....................... 262
      Protecting the system against thermal overload ....................................... 262
      Protecting the system in fault situations .................................................... 262
      Protecting the resistor cable against short-circuits ................................. 263
  Mechanical installation ............................................................................................ 263
  Electrical installation ............................................................................................... 263
      Measuring the installation .............................................................................. 263
      Connection diagram ......................................................................................... 264
      Connection procedure ..................................................................................... 264
  Start-up ...................................................................................................................... 264
  Technical data ........................................................................................................... 265
      Ratings ................................................................................................................ 265
      Terminals and cable entry data ...................................................................... 265

16 Common mode, du/dt and sine filters
  Contents of this chapter ......................................................................................... 267
  Common mode filters .............................................................................................. 267
  du/dt filters ............................................................................................................... 267
      When is a du/dt filter needed? ....................................................................... 267
      du/dt filter types .............................................................................................. 268
              Description, installation and technical data of the filters ............ 269
  Sine filters .................................................................................................................. 269

17 CAIO-01 bipolar analog I/O adapter module
  Contents of this chapter ......................................................................................... 271
14 Table of contents

  Product overview ...................................................................................................... 271
  Layout ......................................................................................................................... 272
  Mechanical installation ............................................................................................ 273
      Necessary tools ................................................................................................. 273
      Unpacking and examining the delivery ......................................................... 273
      Installing the module ........................................................................................ 273
  Electrical installation ............................................................................................... 273
      Necessary tools ................................................................................................. 273
      Wiring .................................................................................................................. 273
  Start-up ...................................................................................................................... 274
      Setting the parameters ................................................................................... 274
  Diagnostics ................................................................................................................ 275
      LEDs ..................................................................................................................... 275
  Technical data ........................................................................................................... 275
      Isolation areas ................................................................................................... 276
  Dimension drawings ................................................................................................ 277

18 CHDI-01 115/230 V digital input extension module
  Contents of this chapter ......................................................................................... 279
  Product overview ...................................................................................................... 279
  Layout and connection examples ......................................................................... 280
  Mechanical installation ............................................................................................ 281
      Necessary tools ................................................................................................. 281
      Unpacking and examining the delivery ......................................................... 281
      Installing the module ........................................................................................ 281
  Electrical installation ............................................................................................... 281
      Necessary tools ................................................................................................. 281
      Wiring .................................................................................................................. 281
  Start-up ...................................................................................................................... 281
      Setting the parameters ................................................................................... 281
              Parameter setting example for relay output ................................... 282
  Fault and warning messages ................................................................................. 282
  Technical data ........................................................................................................... 282
  Dimension drawing .................................................................................................. 283

19 CMOD-01 multifunction extension module (external 24 V AC/DC
   and digital I/O)
  Contents of this chapter ......................................................................................... 285
  Product overview ...................................................................................................... 285
  Layout and example connections ......................................................................... 286
  Mechanical installation ............................................................................................ 287
     Necessary tools ................................................................................................. 287
     Unpacking and examining the delivery ......................................................... 287
     Installing the module ........................................................................................ 287
                                                                                                  Table of contents 15

  Electrical installation ............................................................................................... 287
      Necessary tools ................................................................................................. 288
      Wiring .................................................................................................................. 288
  Start-up ...................................................................................................................... 288
      Setting the parameters ................................................................................... 288
      Diagnostics ........................................................................................................ 289
              Faults and warning messages ............................................................ 289
              LEDs ......................................................................................................... 289
  Technical data ........................................................................................................... 290
  Dimension drawing .................................................................................................. 291

20 CMOD-02 multifunction extension module (external 24 V AC/DC
   and isolated PTC interface)
  Contents of this chapter ......................................................................................... 293
  Product overview ...................................................................................................... 293
  Layout and example connections ......................................................................... 294
  Mechanical installation ............................................................................................ 295
      Necessary tools ................................................................................................. 295
      Unpacking and examining the delivery ......................................................... 295
      Installing the module ........................................................................................ 295
  Electrical installation ............................................................................................... 295
      Necessary tools ................................................................................................. 295
      Wiring .................................................................................................................. 296
  Start-up ...................................................................................................................... 296
      Setting the parameters ................................................................................... 296
  Diagnostics ................................................................................................................ 296
      Faults and warning messages ........................................................................ 296
      LEDs ..................................................................................................................... 296
  Technical data ........................................................................................................... 296
  Dimension drawing .................................................................................................. 298

Further information
16
                                                              Safety instructions 17

                                                                 1
Safety instructions

Contents of this chapter
This chapter contains the safety instructions which you must obey when you install,
start-up, operate and do maintenance work on the drive. If you ignore the safety
instructions, injury, death or damage can occur.

Use of warnings and notes
Warnings tell you about conditions which can cause injury or death, or damage to
the equipment. They also tell you how to prevent the danger. Notes draw attention
to a particular condition or fact, or give information on a subject.
The manual uses these warning symbols:

     WARNING!
     Electricity warning tells about hazards from electricity which can cause injury
     or death, or damage to the equipment.

     WARNING!
     General warning tells about conditions other than those caused by electricity,
     which can cause injury or death, or damage to the equipment.

     WARNING!
     Electrostatic sensitive devices warning tells you about the risk of electrostatic
     discharge which can cause damage to the equipment.
18 Safety instructions

General safety in installation, start-up and maintenance
These instructions are for all personnel who do work on the drive.

     WARNING!
     Obey these instructions. If you ignore them, injury or death, or damage to
     the equipment can occur.

•   Keep the drive in its package until you install it. After unpacking, protect the
    drive from dust, debris and moisture.
•   Use the required personal protective equipment: safety shoes with metal toe
    cap, safety glasses, protective gloves and long sleeves, etc. Some parts have
    sharp edges.
•   Lift a heavy drive with a lifting device. Use the designated lifting points. See
    the dimension drawings.
•   Be careful when handling a tall module. The module overturns easily because
    it is heavy and has a high center of gravity. Whenever possible, secure the
    module with chains. Do not leave an unsupported module unattended especially
    on a sloping floor.

•   Beware of hot surfaces. Some parts, such as heatsinks of power
    semiconductors, and brake resistors, remain hot for a while after disconnection
    of the electrical supply.
•   Vacuum clean the area around the drive before the start-up to prevent the
    drive cooling fan from drawing dust inside the drive.
•   Make sure that debris from drilling, cutting and grinding does not go into the
    drive during installation. Electrically conductive debris inside the drive can
    cause damage or malfunction.
•   Make sure that there is sufficient cooling. See the technical data.
•   Before you connect voltage to the drive, make sure that all covers are in place.
    Do not remove the covers when voltage is connected.
                                                              Safety instructions 19

•   Before you adjust the drive operation limits, make sure that the motor and all
    driven equipment can operate throughout the set operation limits.
•   Before you activate the automatic fault reset or automatic restart functions
    of the drive control program, make sure that no dangerous situations can
    occur. These functions reset the drive automatically and continue operation
    after a fault or supply break. If these functions are activated, the installation
    must be clearly marked as defined in IEC/EN/UL 61800-5-1, subclause 6.5.3,
    for example, "THIS MACHINE STARTS AUTOMATICALLY".
•   The maximum number of drive power-ups is five in ten minutes. Too frequent
    power-ups can damage the charging circuit of the DC capacitors.
•   If you have connected safety circuits to the drive (for example, Safe torque off
    or emergency stop), validate them at start-up. See separate instructions for
    the safety circuits.
•   Beware of hot air exiting from the air outlets.
•   Do not cover the air inlet or outlet when the drive is running.
Note:
•   If you select an external source for the start command and it is on, the drive
    will start immediately after fault reset unless you configure the drive for pulse
    start. See the firmware manual.
•   If the drive is in remote control mode, you cannot stop or start the drive with
    the control panel.
•   Only authorized persons are allowed to repair a malfunctioning drive.
20 Safety instructions

Electrical safety in installation, start-up and maintenance
￭ Electrical safety precautions
These electrical safety precautions are for all personnel who do work on the drive,
motor cable or motor.

      WARNING!
      Obey these instructions. If you ignore them, injury or death, or damage to
      the equipment can occur.
      If you are not a qualified electrical professional, do not do installation or
      maintenance work.
      Do these steps before you begin any installation or maintenance work.

1.   Clearly identify the work location and equipment.
2.   Disconnect all possible voltage sources. Make sure that re-connection is not
     possible. Lock out and tag out.
     • Open the main disconnecting device of the drive.
     • If you have a permanent magnet motor connected to the drive, disconnect
         the motor from the drive with a safety switch or by other means.
     • Disconnect all dangerous external voltages from the control circuits.
     • After you disconnect power from the drive, always wait 5 minutes to let
         the intermediate circuit capacitors discharge before you continue.
3.   Protect any other energized parts in the work location against contact.
4. Take special precautions when close to bare conductors.
5. Measure that the installation is de-energized. Use a quality voltage tester.
   • Before and after you measure the installation, verify the operation of the
      voltage tester on a known voltage source.
   • Make sure that the voltage between the drive input power terminals (L1,
      L2, L3) and the grounding (PE) busbar is zero.
   • Make sure that the voltage between the drive output terminals (T1/U, T2/V,
      T3/W) and the grounding (PE) busbar is zero.
      Important! Repeat the measurement also with the DC voltage setting of
      the tester. Measure between each phase and ground. There is a risk of
      dangerous DC voltage charging due to leakage capacitances of the motor
      circuit. This voltage can remain charged for a long time after the drive
      power-off. The measurement discharges the voltage.
   • Make sure that the voltage between the drive DC terminals (UDC+ and
      UDC-) and the grounding (PE) terminal is zero.
        Note: If cables are not connected to the drive DC terminals, measuring the
        voltage from the DC terminal screws can give incorrect results.
                                                                Safety instructions 21

6. Install temporary grounding as required by the local regulations.
7.   Ask for a permit to work from the person in control of the electrical installation
     work.

￭ Additional instructions and notes
        WARNING!
        Obey these instructions. If you ignore them, injury or death, or damage to
        the equipment can occur.
        If you are not a qualified electrical professional, do not do installation or
        maintenance work.

•    Make sure that the electrical power network, motor/generator, and
     environmental conditions agree with the drive data.
•    Do not do insulation or voltage withstand tests on the drive.
•    If you have a cardiac pacemaker or other electronic medical device, keep away
     from the area near motor, drive, and the drive power cabling when the drive
     is in operation. There are electromagnetic fields present which can interfere
     with the function of such devices. This can cause a health hazard.
Note:
•    When the drive is connected to the input power, the motor cable terminals
     and the DC bus are at a dangerous voltage.
     The brake circuit, including the brake chopper and brake resistor (if installed)
     are also at a dangerous voltage.
     After disconnecting the drive from the input power, these remain at a
     dangerous voltage until the intermediate circuit capacitors have discharged.
•    External wiring can supply dangerous voltages to the relay outputs of the
     control units of the drive.
•    The Safe torque off function does not remove the voltage from the main and
     auxiliary circuits. The function is not effective against deliberate sabotage or
     misuse.

Printed circuit boards

        WARNING!
        Use a grounding wristband when you handle printed circuit boards. Do not
        touch the boards unnecessarily. The boards contain components sensitive
        to electrostatic discharge.
22 Safety instructions

￭ Grounding
These instructions are for all personnel who are responsible for the grounding of
the drive.

     WARNING!
     Obey these instructions. If you ignore them, injury or death, or equipment
     malfunction can occur, and electromagnetic interference can increase.
     If you are not a qualified electrical professional, do not do grounding work.

•   Always ground the drive, the motor and adjoining equipment. This is necessary
    for the personnel safety.
•   Make sure that the conductivity of the protective earth (PE) conductors is
    sufficient and that other requirements are met. See the electrical planning
    instructions of the drive. Obey the applicable national and local regulations.
•   When using shielded cables, make a 360° grounding of the cable shields at the
    cable entries to reduce electromagnetic emission and interference.
•   In a multiple-drive installation, connect each drive separately to the protective
    earth (PE) busbar of the power supply.
                                                                Safety instructions 23

General safety in operation
These instructions are fo

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